3-(2,4-Difluorophenyl)-1-methyl-1h-pyrazole-4-carbaldehyde CAS 1152509-93-7
| CAS No. | 1152509-93-7 |
| Molecular Formula | C11H8F2N2O |
| Molecular Weight | 222.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-(2,4-Difluorophenyl)-1-methyl-1h-pyrazole-4-carbaldehyde meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
3-(2,4-Difluorophenyl)-1-methyl-1h-pyrazole-4-carbaldehyde (CAS 1152509-93-7), molecular formula C11H8F2N2O and molecular weight 222.19 g/mol, is a CATO reference standard with documented purity and traceability.
3-(2,4-Difluorophenyl)-1-methyl-1h-pyrazole-4-carbaldehyde (C11H8F2N2O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H8F2N2O |
| Molecular Weight | 222.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Difluorophenyl Standards
- 6-(2,4-Difluorophenyl)-2,3-dihydroimidazo[2,1-b]oxazole (CAS 1097874-66-2)
- 5-(2,4-Difluorophenyl)-2-methoxypyrimidine (CAS 1352318-16-1)
- 6-(3,5-Difluorophenyl)-2-methylpyrimidin-4-ol (CAS 1690654-47-7)
- 3-(2,4-Difluorophenyl)-5,6-dihydro-4H-pyrrolo[3,2-d]isoxazole (CAS 603067-91-0)
- 3-(2,5-difluorophenyl)-5-methylcyclohex-2-en-1-one (CAS 1860954-95-5)
- 4-(2,4-Difluorophenyl)-2-methyl-2-cyclohexen-1-one (CAS 799776-81-1)
- 1-(3,5-Difluorophenyl)-cyclohexanecarbonitrile (CAS 1247865-55-9)
- 1-(2,4-difluorophenyl)cyclohexane-1-carbonitrile (CAS 1260802-64-9)
Recommended Standards
- 5,6-Dimethoxybenzofuran-2-carboxylic Acid (CAS 114842-08-9)
- 7-(difluoromethyl)-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylic acid (CAS 1160246-22-9)
- 4,6-Dimethoxypyrimidine-2-sulfonyl fluoride (CAS 113515-41-6)
- ((2R,3S,4S,5R)-3,4,5,6-tetrahydroxytetrahydro-2H-pyran-2-yl)methyl acetate (CAS 118759-70-9)
- N,N-Diallyl-2,2,2-Trifluoroacetamide (CAS 14618-49-6)
- Methyl 2-Amino-5-(methylsulfonyl)benzoate (CAS 90610-65-4)
- 2,4,6-Triphenyl-1-(p-tolyl)pyridin-1-ium tetrafluoroborate (CAS 107108-26-9)
- 3-Bromo-5-cyclopropoxy-2-isopropylpyridine (CAS 1243289-09-9)
- tert-Butyl 4-(6-ethoxypyrimidin-4-yl)piperazine-1-carboxylate (CAS 1353965-84-0)
- 2,2-Dibromo-2-fluoroacetamide (CAS 7663-25-4)
- 2-[(Benzyl-4-D)oxy]-N,N-dimethylacetamide-2,2-D2 (CAS 2241982-90-9)
- 4,4,4-trifluoro-1-(naphthalen-1-yl)butane-1,3-dione (CAS 7639-68-1)
- 3-(4-fluorophenyl)oxolane-2,5-dione (CAS 630067-33-3)
- Semaglutide-d8 Tetratrifluoroacetate (CAS CATO-C4X-222617)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com